Suddenly the cliff fell away. The shores sank. The trees ended. Then Bilbo saw a sight: The lands opened wide about him, filled with the waters of the river which broke up and wandered in a hundred winding courses, or halted in marshes and pools dotted with isles on every side: but still a strong water flowed on steadily through the midst. And far away, its dark head in a torn cloud, there loomed the Mountain!